char gpio_port_init(unsigned char port_number, unsigned char in, char value) {
char result = 0;
char buffer[GPIO_BUFFER_SIZE];
const char val_str[] = "value";
if ( st_file_exists(gpio_get_file(buffer, port_number, val_str)) == 0 ) {
#ifdef __GPIO_SIMULATE
snprintf(buffer, GPIO_BUFFER_SIZE, "/supla_virtual_dev/gpio/gpio%d", port_number);
if ( st_file_exists(buffer) == 0 ) {
mkdir(buffer, 0755);
gpio_set_value(port_number, 0);
gpio_create_file(port_number, "value");
gpio_create_file(port_number, "direction");
gpio_create_file(port_number, "edge");
}
snprintf(buffer, GPIO_BUFFER_SIZE, "%d", port_number);
#else
snprintf(buffer, GPIO_BUFFER_SIZE, "%d", port_number);
gpio_write_file("/sys/class/gpio/export", buffer);
#endif
}
if ( st_file_exists(gpio_get_file(buffer, port_number, val_str)) == 0 ) {
supla_log(LOG_ERR, "GPIO %d does not exist.", port_number);
return 0;
}
if ( in == 1 ) {
result = gpio_set_params(buffer, port_number, "in", "both");
} else {
result = gpio_set_params(buffer, port_number, "out", "none");
};
if ( result == 0 )
supla_log(LOG_ERR, "Can't set GPIO port parameters. Port number %d", port_number);
return result;
}
unsigned char scfg_load(int argc, char* argv[], char default_file[]) {
int a;
char *cfg_path = NULL;
for(a=0;a<argc;a++) {
if ( strcmp("-c", argv[a]) == 0 && a<argc-1 ) {
cfg_path = argv[a+1];
a++;
} else if ( strcmp("-p", argv[a]) == 0 && a<argc-1 && strlen(argv[a+1]) < 1024 ) {
pidfile_path = strdup(argv[a+1]);
a++;
} else if ( strcmp("-d", argv[a]) == 0 ) {
run_as_daemon = 1;
} else if ( strcmp("-D", argv[a]) == 0 ) {
debug_mode = 1;
} else if ( strcmp("-h", argv[a]) == 0 ) {
scfg_print_help(argv[0]);
return 0;
}
}
if ( cfg_path == NULL ) {
cfg_path = default_file;
}
if ( st_file_exists(cfg_path) == 0 ) {
supla_log(LOG_ERR, "Configuration file not found: %s", cfg_path == NULL ? "" : cfg_path);
return 0;
}
if ( ini_parse(cfg_path, scfg_ini_handler, NULL) < 0 ) {
supla_log(LOG_ERR, "Config read error");
return 0;
}
return 1;
}
unsigned char devcfg_init(int argc, char* argv[]) {
memset(DEVICE_GUID, 0, SUPLA_GUID_SIZE);
unsigned char result = 0;
scfg_set_callback(devcfg_channel_cfg);
// !!! order is important !!!
char *s_global = "GLOBAL";
scfg_add_str_param(s_global, "device_guid_file", "");
scfg_add_str_param(s_global, "alt_cfg", "");
scfg_add_str_param(s_global, "state_file", "");
scfg_add_str_param(s_global, "device_name", "");
char *s_server = "SERVER";
scfg_add_str_param(s_server, "host", "");
scfg_add_int_param(s_server, "tcp_port", 2015);
scfg_add_int_param(s_server, "ssl_port", 2016);
scfg_add_bool_param(s_server, "ssl_enabled", 1);
char *s_location = "LOCATION";
scfg_add_int_param(s_location, "ID", 0);
scfg_add_str_param(s_location, "PASSWORD", 0);
result = scfg_load(argc, argv, "/etc/supla-dev/supla.cfg");
if ( result == 1
&& st_file_exists(scfg_string(CFG_ALTCFG_FILE)) == 1 ) {
result = scfg_load(argc, argv, scfg_string(CFG_ALTCFG_FILE));
}
scfg_names_free();
return result;
}
char w1_ds18b20_get_temp(char *device, double *temp) {
int fd;
int count;
int val;
char buffer[200];
char result = 0;
if (device == 0 || strlen(device) == 0 || strlen(device) > 100) return 0;
memset(buffer, 0, 200);
#ifdef __W1_SIMULATE
snprintf(buffer, sizeof(buffer), "/supla_virtual_dev/w1/devices/%s/w1_slave",
device);
#else
snprintf(buffer, sizeof(buffer), "/sys/bus/w1/devices/%s/w1_slave", device);
#endif
if (st_file_exists(buffer) == 0) return 0;
fd = open(buffer, O_RDONLY);
if (fd != -1) {
if (70 <= (count = read(fd, buffer, 200)) &&
0 == memcmp(&buffer[29], "crc", 3) &&
0 == memcmp(&buffer[36], "YES", 3) &&
0 == memcmp(&buffer[67], "t=", 2)) {
sscanf(&buffer[69], "%i", &val);
*temp = val / 1000.00;
result = 1;
}
close(fd);
}
return result;
}
unsigned char clientcfg_init(int argc, char* argv[]) {
int a;
struct passwd *pw;
char *buffer;
char GUIDHEX[SUPLA_GUID_HEXSIZE+1];
for(a=0; a<argc; a++) {
if ( strcmp("-i", argv[a]) == 0 && a<argc-1 ) {
cfg_id_file = strdup(argv[a+1]);
a++;
} else if ( strcmp("-h", argv[a]) == 0 && a<argc-1 ) {
cfg_host = strdup(argv[a+1]);
a++;
} else if ( strcmp("-tcp", argv[a]) == 0 ) {
cfg_ssl_enabled = 0;
} else if ( strcmp("-p", argv[a]) == 0 && a<argc-1 ) {
cfg_port = atoi(argv[a+1]);
a++;
} else if ( strcmp("-aid", argv[a]) == 0 && a<argc-1 ) {
cfg_aid = atoi(argv[a+1]);
a++;
} else if ( strcmp("-pwd", argv[a]) == 0 && a<argc-1 ) {
cfg_pwd = strdup(argv[a+1]);
a++;
};
}
if ( cfg_port == 0 )
cfg_port = cfg_ssl_enabled == 1 ? 2016 : 2015;
if ( cfg_host == NULL )
cfg_host = strdup("127.0.0.1");
if ( cfg_id_file == NULL ) {
pw = getpwuid(getuid());
a = strlen(pw->pw_dir)+50;
buffer = malloc(a);
if ( snprintf(buffer, a, "%s/.supla-client", pw->pw_dir) < 1 ) {
free(buffer);
return 0;
}
if ( st_file_exists(buffer) == 0 ) {
if ( mkdir(buffer, 0700) == -1 ) {
free(buffer);
return 0;
}
}
if ( snprintf(buffer, a, "%s/.supla-client/id", pw->pw_dir) < 1 ) {
free(buffer);
return 0;
}
cfg_id_file = strdup(buffer);
free(buffer);
}
if ( cfg_id_file == NULL || strlen(cfg_id_file) < 1 ) {
supla_log(LOG_ERR, "Unknown id file!");
return 0;
}
if ( st_read_guid_from_file(cfg_id_file, cfg_client_GUID, 1) == 0 ) {
return 0;
}
st_guid2hex(GUIDHEX, cfg_client_GUID);
GUIDHEX[SUPLA_GUID_HEXSIZE] = 0;
supla_log(LOG_INFO, "Client GUID: %s", GUIDHEX);
return 1;
}
